期刊
PHYTOTAXA
卷 350, 期 3, 页码 274-282出版社
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.350.3.6
关键词
ITS rDNA; LSU rDNA; Mucoromycotina; soil; taxonomy
资金
- project 'Diversity of Mucoromycotina in the different ecosystems of the Atlantic Rainforest of Pernambuco' (FACEPE-First Projects Program) [PPP/FACEPE/CNPq-APQ-0842-2.12/14]
- Atlantic Rainforest in the semiarid of Pernambuco (CNPq-Chamada Universal) [458391/2014-0]
The Mucor genus mostly comprises saprobe specimens which are commonly isolated from herbivore dung, fruit and soil. Morphologically, Mucor specimens produce simple or branched sporangiophores without basal rhizoids and non-apophysate sporangia. During a survey of Mucorales in soil from an upland rainforest area in Pernambuco, Brazil, one specimen of Mucor was isolated and characterized based on morphological, physiological and molecular data (ITS1-5.8S-ITS2 and LSU rDNA sequences). The specimen is characterized by producing strongly sympodially branched sporangiophores and sporangiospores which can contain one or more granules at each end. The columellae are frequently globose or obovoid, some ovoid or cylindrical with a truncate base, rarely piriform. It grew better at 25 degrees C, with no development at 35 degrees C. Based on the evidence of the analyzed datasets, a new species of Mucor is proposed.
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